The number 27794
27794 is a composite number with 8 divisors. Its prime factorisation is 2 × 13 × 1069. Divisors (8): 1, 2, 13, 26, 1069, 2138, 13897, 27794.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27794 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27794 is composite. Its prime factorisation is
- 3
The divisors add up to 44940; without 27794 itself that is 17146, so 27794 is deficient (17146 is less than 27794). Euler's totient φ(27794) = 12816 numbers up to 27794 share no factor with it.
- 4
The digits of 27794 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 139 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27794 = 2 \times 13 \times 1069 \]
27794 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 44940 |
| Euler totient φ(n) | 12816 |
| Square | 772506436 |
| Cube | 21471043882184 |
| Square root | 166.715326 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 139 |
| Scientific notation | 2.7794 × |
27794 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand seven hundred and ninety-four |
| Binary (base 2) | 110110010010010 |
| Octal (base 8) | 66222 |
| Hexadecimal (base 16) | 6C92 |
| Base 3 | 1102010102 |
| As time | 27794 seconds = 7 h 43 min 14 s |
Is 27794 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (27794 ÷ 2 = 13897) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27794 a prime number?
No. 27794 = 2 × 13 × 1069, so it is divisible by 2.
What are the factors of 27794?
1, 2, 13, 26, 1069, 2138, 13897, 27794.
What is 27794 in binary?
110110010010010 (hexadecimal 6C92, octal 66222).
What is the square root of 27794?
About 166.7153.
Is 27794 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 27794?
It is a composite number with 8 divisors.